EP0038970B1 - Procédé pour la séparation de tétra-fluor-éthylène à partir de mélanges gazeux contenant avec le tétra-fluor-éthylène, en particulier de l'azote ou de l'oxyde de carbone - Google Patents
Procédé pour la séparation de tétra-fluor-éthylène à partir de mélanges gazeux contenant avec le tétra-fluor-éthylène, en particulier de l'azote ou de l'oxyde de carbone Download PDFInfo
- Publication number
- EP0038970B1 EP0038970B1 EP81102686A EP81102686A EP0038970B1 EP 0038970 B1 EP0038970 B1 EP 0038970B1 EP 81102686 A EP81102686 A EP 81102686A EP 81102686 A EP81102686 A EP 81102686A EP 0038970 B1 EP0038970 B1 EP 0038970B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tetrafluoroethylene
- difluoromonochloromethane
- absorbent
- integer
- pyrolysis products
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (2)
l'agent d'absorption absorbant le tétrafluoréthylène et libérant les constituants non-liquéfiables restants, et en ce que l'agent d'absorption chargé de tétrafluoréthylène est recyclé vers la liquéfaction des produits de pyrolyse.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803015092 DE3015092A1 (de) | 1980-04-19 | 1980-04-19 | Verfahren zur abtrennung von tetrafluorethylen aus gasgemischen, die insbesondere stickstoff oder kohlenmonoxid enthalten |
DE3015092 | 1980-04-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0038970A1 EP0038970A1 (fr) | 1981-11-04 |
EP0038970B1 true EP0038970B1 (fr) | 1983-04-06 |
Family
ID=6100442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81102686A Expired EP0038970B1 (fr) | 1980-04-19 | 1981-04-09 | Procédé pour la séparation de tétra-fluor-éthylène à partir de mélanges gazeux contenant avec le tétra-fluor-éthylène, en particulier de l'azote ou de l'oxyde de carbone |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0038970B1 (fr) |
JP (1) | JPS56166128A (fr) |
DE (2) | DE3015092A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3729106A1 (de) * | 1987-09-01 | 1989-03-09 | Hoechst Ag | Verfahren zur gewinnung von reinem tetrafluorethylen |
US5049241A (en) * | 1990-03-27 | 1991-09-17 | E. I. Du Pont De Nemours And Company | Extractive distillation |
DE60135096D1 (de) * | 2000-02-29 | 2008-09-11 | Daikin Ind Ltd | Verfahren zur herstellung von tetrafluorethylen |
GB0103718D0 (en) * | 2001-02-14 | 2001-04-04 | Ineos Fluor Ltd | Recovery of fluorine containing compounds |
JP4846293B2 (ja) | 2005-07-28 | 2011-12-28 | 昭和電工株式会社 | ペンタフルオロエタンの回収方法および該方法を含むペンタフルオロエタンの製造方法 |
CN103328424A (zh) | 2011-02-04 | 2013-09-25 | 旭硝子株式会社 | 2,3,3,3-四氟丙烯的纯化方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042634A (en) * | 1976-03-15 | 1977-08-16 | E. I. Du Pont De Nemours And Company | Fluorocarbon separation process |
-
1980
- 1980-04-19 DE DE19803015092 patent/DE3015092A1/de not_active Withdrawn
-
1981
- 1981-04-09 DE DE8181102686T patent/DE3160150D1/de not_active Expired
- 1981-04-09 EP EP81102686A patent/EP0038970B1/fr not_active Expired
- 1981-04-17 JP JP5724881A patent/JPS56166128A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3015092A1 (de) | 1981-10-22 |
EP0038970A1 (fr) | 1981-11-04 |
JPS56166128A (en) | 1981-12-21 |
DE3160150D1 (en) | 1983-05-11 |
JPH0148250B2 (fr) | 1989-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1161877B (de) | Verfahren zur Abtrennung von Perfluorkohlenstoffen | |
DE3009760A1 (de) | Verfahren zur herstellung von hochreinen teilfluorierten aethanen | |
DE2749890A1 (de) | Verfahren zur rueckgewinnung von propen bzw. propen-propan-gemischen aus den abgasen der hydroformylierung von propen | |
EP0038970B1 (fr) | Procédé pour la séparation de tétra-fluor-éthylène à partir de mélanges gazeux contenant avec le tétra-fluor-éthylène, en particulier de l'azote ou de l'oxyde de carbone | |
DE2738418A1 (de) | Verbesserte extraktive destillation zur trennung von c tief 5 -kohlenwasserstoffen | |
DE2704065A1 (de) | Verfahren zum entfernen von gasfoermigem vinylchlorid-monomer aus einem abgasstrom | |
DE60317464T2 (de) | Verfahren zur reinigung und herstellung von fluorkohlenwasserstoffen | |
DE1104496B (de) | Verfahren zur Herstellung von 1-Chlor-2, 2, 2-trifluoraethan | |
EP0451793B1 (fr) | Procédé pour la fabrication de mélanges de chlorotétrafluoroéthane et d'octafluorocyclobutane | |
DE2439540B1 (de) | Verfahren zur Rückgewinnung von Antimonpentachlorid aus zur Fluorierung von chlorierten Kohlenwasserstoffen eingesetzten Katalysatorlösungen | |
DE4445529C1 (de) | Verfahren zur Aufarbeitung von komplexen Amin-Hydrofluoriden | |
EP0723531B1 (fr) | Procede de production de pentafluoroethane et de purification du 1,1,1,2-tetrafluoroethane | |
DE2407492C3 (de) | Verfahren zur Beseitigung der bei der Herstellung von Schwefelhexafluorid anfallenden höhersiedenden Nebenprodukte | |
DE69819191T2 (de) | Verfahren zur herstellung von pentafluorethan | |
DE2638650C2 (de) | Verfahren zur Abtrennung von Tetrafluoräthylen aus Gasgemischen | |
DE1567494A1 (de) | Verfahren zur Gewinnung bzw.Entfernung von Fluorwasserstoff aus Gasmischungen | |
DE1443079A1 (de) | Verfahren zur Herstellung von 1,2-Dichloraethan | |
DE1153728B (de) | Verfahren zur Entfernung von Fluor-wasserstoff aus Chlorwasserstoffgas | |
DE4200792A1 (de) | Aufarbeitung der fluorwasserstoff-phase aus reaktionsgemischen | |
DE1036826B (de) | Verfahren zur Absorption von Fluorwasserstoff aus chlorwasserstoff-haltigen Gasmischungen | |
DE2026188C3 (de) | Verfahren zur Abtrennung von Tetrafluoräthylen | |
DD139839A5 (de) | Verfahren zur rueckfuehrung von nichtumgesetztem 1.2.-dichloraethan aus der 1.2.-dichloraethanspaltung | |
DE1026302B (de) | Verfahren zur Gewinnung von reinem Acetylen aus Spaltgasen der Kohlenwasserstoffspaltung | |
DE2612064C2 (fr) | ||
DE924515C (de) | Verfahren zur Herstellung von organischen Fluorverbindungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): BE DE FR GB IT NL |
|
17P | Request for examination filed |
Effective date: 19811020 |
|
ITF | It: translation for a ep patent filed |
Owner name: ING. C. GREGORJ S.P.A. |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Designated state(s): BE DE FR GB IT NL |
|
REF | Corresponds to: |
Ref document number: 3160150 Country of ref document: DE Date of ref document: 19830511 |
|
ET | Fr: translation filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19890317 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19890413 Year of fee payment: 9 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Effective date: 19900430 |
|
BERE | Be: lapsed |
Owner name: HOECHST A.G. Effective date: 19900430 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19901228 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19930624 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19940321 Year of fee payment: 14 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19940430 Year of fee payment: 14 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19950103 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19950409 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19951101 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19950409 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 19951101 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |